SizeUp is a digital tape measure that allows users to measure length, width and height of a surface by moving their phone in the air from point to point!. SizeUp measurements have a high level of accuracy. Using the app, users can measure anything. SizeUp's capabilities are: Measure in metric or imperial units - centimeters or inches, Measure any object - even an entire apartment, Collect and store historical measurements for future reference, Share measurements with friends, High level of accuracy - less than 2 cm (when measuring objects up to 3 meters). Convert measurements - easily display stored measurements in cm or inches.